{
  description = "Strix nix flake";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11"; # current supported
    nixpkgs-unstable.url = "nixpkgs/nixos-unstable"; # unstable branch for newer packages
    nixpkgs-last.url = "nixpkgs/nixos-24.05"; # one branch before the current one

    home-manager = {
      url = "github:nix-community/home-manager/release-24.11";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    nvidia-patch = {
      url = "github:icewind1991/nvidia-patch-nixos";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    dttyper.url = "git+https://git.4o1x5.dev/4o1x5/dttyper";
    romodoro.url = "git+https://git.4o1x5.dev/4o1x5/romodoro";
    neo2005.url = "git+https://git.4o1x5.dev/4o1x5/neo2005";

  };

  outputs =
    {
      self,
      nixpkgs,
      home-manager,
      nixpkgs-unstable,
      nixpkgs-last,
      nvidia-patch,
      dttyper,
      romodoro,
      neo2005,
      ...
    }@inputs:
    let
      system = "x86_64-linux";
      overlay-unstable = final: prev: {
        unstable = nixpkgs-unstable.legacyPackages.${prev.system};
        last = nixpkgs-last.legacyPackages.${prev.system};
      };
    in
    {
      nixosConfigurations.strix = nixpkgs.lib.nixosSystem {
        inherit system;
        specialArgs = {
          inputs = inputs;
          user = "grape";
          # Must be absolute path with no / at the end
          dotfilepath = "/home/grape/dotfiles";
        };
        modules = [
          # adding unstable  overlay
          (
            { config, pkgs, ... }:
            {
              nixpkgs.overlays = [
                overlay-unstable
                nvidia-patch.overlays.default
              ];
            }
          )

          home-manager.nixosModules.home-manager
          {
            home-manager.useGlobalPkgs = true;
            home-manager.useUserPackages = true;
          }
          ./hosts/strix/configuration.nix
        ];

      };
      nixosConfigurations.nixos = nixpkgs.lib.nixosSystem {
        inherit system;
        specialArgs = {
          inputs = inputs;
          user = "peach";
          dotfilepath = "/home/peach/dotfiles";
        };
        modules = [
          (
            { config, pkgs, ... }:
            {
              nixpkgs.overlays = [
                overlay-unstable
              ];
            }
          )

          home-manager.nixosModules.home-manager
          {
            home-manager.useGlobalPkgs = true;
            home-manager.useUserPackages = true;
          }
          ./hosts/thinkpad/configuration.nix
        ];

      };

    };
}